Fix broken tables in README.md

[u9lyfish]

Q	A
Patch: Bug Fix?	no
Major: Breaking Change?	no
Minor: New Feature?	no
Deprecations?	no
Spec Compliancy?
Tests Added/Pass?	no/yes
Fixed Tickets
License	MIT
Doc PR	yes
Dependency Changes

[codecov]

Codecov Report

Merging #5755 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #5755   +/-   ##
======================================
  Coverage    84.8%   84.8%           
======================================
  Files         204     204           
  Lines        9607    9607           
  Branches     2701    2701           
======================================
  Hits         8147    8147           
  Misses        976     976           
  Partials      484     484

Impacted Files	Coverage Δ
packages/babel-traverse/src/path/context.js	86.2% <0%> (ø)	⬆️

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